Microscopic primordial black holes and extra dimensions

Details Microscopic primordial black holes and extra dimensions Microscopic primordial black holes and extra dimensions

2006-11-07

arxiv.org/abs/hep-ph/0611091v3

Phys.Rev.D75:044006,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 6 figures

Scientific paper

10.1103/PhysRevD.75.044006

We examine the production and evolution of microscopic black holes in the early universe in the large extra dimensions scenario. We demonstrate that, unlike in the standard four-dimensional cosmology, in large extra dimensions absorption of matter from the primordial plasma by the black holes is significant and can lead to rapid growth of the black hole mass density. This effect can be used to constrain the conditions present in the very early universe. We demonstrate that this constraint is applicable in regions of parameter space not excluded by existing bounds.

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